12b1f1d31b83dbabc432a928bd30d443e01b16b46Elliott Hughes/* 22b1f1d31b83dbabc432a928bd30d443e01b16b46Elliott Hughes * Copyright (C) 2010 The Android Open Source Project 3f33eae7e84eb6d3b0f4e86b59605bb3de73009f3Elliott Hughes * 42b1f1d31b83dbabc432a928bd30d443e01b16b46Elliott Hughes * Licensed under the Apache License, Version 2.0 (the "License"); 52b1f1d31b83dbabc432a928bd30d443e01b16b46Elliott Hughes * you may not use this file except in compliance with the License. 62b1f1d31b83dbabc432a928bd30d443e01b16b46Elliott Hughes * You may obtain a copy of the License at 7f33eae7e84eb6d3b0f4e86b59605bb3de73009f3Elliott Hughes * 82b1f1d31b83dbabc432a928bd30d443e01b16b46Elliott Hughes * http://www.apache.org/licenses/LICENSE-2.0 9f33eae7e84eb6d3b0f4e86b59605bb3de73009f3Elliott Hughes * 102b1f1d31b83dbabc432a928bd30d443e01b16b46Elliott Hughes * Unless required by applicable law or agreed to in writing, software 112b1f1d31b83dbabc432a928bd30d443e01b16b46Elliott Hughes * distributed under the License is distributed on an "AS IS" BASIS, 122b1f1d31b83dbabc432a928bd30d443e01b16b46Elliott Hughes * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 132b1f1d31b83dbabc432a928bd30d443e01b16b46Elliott Hughes * See the License for the specific language governing permissions and 142b1f1d31b83dbabc432a928bd30d443e01b16b46Elliott Hughes * limitations under the License. 152b1f1d31b83dbabc432a928bd30d443e01b16b46Elliott Hughes */ 162b1f1d31b83dbabc432a928bd30d443e01b16b46Elliott Hughes 174557728efb66c455a52b7669a8eefef7a9e54854Jesse Wilsonpackage libcore.java.util; 182b1f1d31b83dbabc432a928bd30d443e01b16b46Elliott Hughes 194557728efb66c455a52b7669a8eefef7a9e54854Jesse Wilsonimport java.util.Currency; 204557728efb66c455a52b7669a8eefef7a9e54854Jesse Wilsonimport java.util.Locale; 210ad1c14261c4db0731503770ec6a027e90cc6e38Elliott Hughesimport java.util.Set; 222b1f1d31b83dbabc432a928bd30d443e01b16b46Elliott Hughes 232096edb2cb1c19d0e7ec597e60757dc183382a54Shubham Ajmeraimport libcore.util.SerializationTester; 242096edb2cb1c19d0e7ec597e60757dc183382a54Shubham Ajmera 252b1f1d31b83dbabc432a928bd30d443e01b16b46Elliott Hughespublic class CurrencyTest extends junit.framework.TestCase { 262b1f1d31b83dbabc432a928bd30d443e01b16b46Elliott Hughes // Regression test to ensure that Currency.getSymbol(Locale) returns the 272b1f1d31b83dbabc432a928bd30d443e01b16b46Elliott Hughes // currency code if ICU doesn't have a localization of the symbol. The 282b1f1d31b83dbabc432a928bd30d443e01b16b46Elliott Hughes // harmony Currency tests don't test this, and their DecimalFormat tests 292b1f1d31b83dbabc432a928bd30d443e01b16b46Elliott Hughes // only test it as a side-effect, and in a way that only detected my 302b1f1d31b83dbabc432a928bd30d443e01b16b46Elliott Hughes // specific mistake of returning null (returning "stinky" would have 312b1f1d31b83dbabc432a928bd30d443e01b16b46Elliott Hughes // passed). 322b1f1d31b83dbabc432a928bd30d443e01b16b46Elliott Hughes public void test_getSymbol_fallback() throws Exception { 332b1f1d31b83dbabc432a928bd30d443e01b16b46Elliott Hughes // This assumes that AED never becomes a currency important enough to 342b1f1d31b83dbabc432a928bd30d443e01b16b46Elliott Hughes // Canada that Canadians give it a localized (to Canada) symbol. 352b1f1d31b83dbabc432a928bd30d443e01b16b46Elliott Hughes assertEquals("AED", Currency.getInstance("AED").getSymbol(Locale.CANADA)); 362b1f1d31b83dbabc432a928bd30d443e01b16b46Elliott Hughes } 37b0e5963793d8980b349f8e553067c19fd31601c5Elliott Hughes 38b0e5963793d8980b349f8e553067c19fd31601c5Elliott Hughes // Regression test to ensure that Currency.getInstance(String) throws if 39b0e5963793d8980b349f8e553067c19fd31601c5Elliott Hughes // given an invalid ISO currency code. 40b0e5963793d8980b349f8e553067c19fd31601c5Elliott Hughes public void test_getInstance_illegal_currency_code() throws Exception { 41b0e5963793d8980b349f8e553067c19fd31601c5Elliott Hughes Currency.getInstance("USD"); 42b0e5963793d8980b349f8e553067c19fd31601c5Elliott Hughes try { 43b0e5963793d8980b349f8e553067c19fd31601c5Elliott Hughes Currency.getInstance("BOGO-DOLLARS"); 44b0e5963793d8980b349f8e553067c19fd31601c5Elliott Hughes fail("expected IllegalArgumentException for invalid ISO currency code"); 45b0e5963793d8980b349f8e553067c19fd31601c5Elliott Hughes } catch (IllegalArgumentException expected) { 46b0e5963793d8980b349f8e553067c19fd31601c5Elliott Hughes } 47b0e5963793d8980b349f8e553067c19fd31601c5Elliott Hughes } 480ad1c14261c4db0731503770ec6a027e90cc6e38Elliott Hughes 490ad1c14261c4db0731503770ec6a027e90cc6e38Elliott Hughes public void testGetAvailableCurrencies() throws Exception { 500ad1c14261c4db0731503770ec6a027e90cc6e38Elliott Hughes Set<Currency> all = Currency.getAvailableCurrencies(); 510ad1c14261c4db0731503770ec6a027e90cc6e38Elliott Hughes // Confirm that a few well-known stable currencies are present. 520ad1c14261c4db0731503770ec6a027e90cc6e38Elliott Hughes assertTrue(all.toString(), all.contains(Currency.getInstance("CHF"))); 530ad1c14261c4db0731503770ec6a027e90cc6e38Elliott Hughes assertTrue(all.toString(), all.contains(Currency.getInstance("EUR"))); 540ad1c14261c4db0731503770ec6a027e90cc6e38Elliott Hughes assertTrue(all.toString(), all.contains(Currency.getInstance("GBP"))); 550ad1c14261c4db0731503770ec6a027e90cc6e38Elliott Hughes assertTrue(all.toString(), all.contains(Currency.getInstance("JPY"))); 560ad1c14261c4db0731503770ec6a027e90cc6e38Elliott Hughes assertTrue(all.toString(), all.contains(Currency.getInstance("USD"))); 570ad1c14261c4db0731503770ec6a027e90cc6e38Elliott Hughes } 580ad1c14261c4db0731503770ec6a027e90cc6e38Elliott Hughes 590ad1c14261c4db0731503770ec6a027e90cc6e38Elliott Hughes public void test_getDisplayName() throws Exception { 600ad1c14261c4db0731503770ec6a027e90cc6e38Elliott Hughes assertEquals("Swiss Franc", Currency.getInstance("CHF").getDisplayName(Locale.US)); 610ad1c14261c4db0731503770ec6a027e90cc6e38Elliott Hughes assertEquals("Schweizer Franken", Currency.getInstance("CHF").getDisplayName(new Locale("de", "CH"))); 620ad1c14261c4db0731503770ec6a027e90cc6e38Elliott Hughes assertEquals("franc suisse", Currency.getInstance("CHF").getDisplayName(new Locale("fr", "CH"))); 63e6c88a51723b481276d21efcbcffe8f509488441Fredrik Roubert assertEquals("franco svizzero", Currency.getInstance("CHF").getDisplayName(new Locale("it", "CH"))); 640ad1c14261c4db0731503770ec6a027e90cc6e38Elliott Hughes } 650ad1c14261c4db0731503770ec6a027e90cc6e38Elliott Hughes 660ad1c14261c4db0731503770ec6a027e90cc6e38Elliott Hughes public void test_getDefaultFractionDigits() throws Exception { 670ad1c14261c4db0731503770ec6a027e90cc6e38Elliott Hughes assertEquals(2, Currency.getInstance("USD").getDefaultFractionDigits()); 680ad1c14261c4db0731503770ec6a027e90cc6e38Elliott Hughes assertEquals(0, Currency.getInstance("JPY").getDefaultFractionDigits()); 690ad1c14261c4db0731503770ec6a027e90cc6e38Elliott Hughes assertEquals(-1, Currency.getInstance("XXX").getDefaultFractionDigits()); 700ad1c14261c4db0731503770ec6a027e90cc6e38Elliott Hughes } 71a49a1e8c20b3cf9435ed422379f63e33e5c2eaf2Elliott Hughes 72a49a1e8c20b3cf9435ed422379f63e33e5c2eaf2Elliott Hughes // http://code.google.com/p/android/issues/detail?id=38622 73a49a1e8c20b3cf9435ed422379f63e33e5c2eaf2Elliott Hughes public void test_getSymbol_38622() throws Exception { 74a49a1e8c20b3cf9435ed422379f63e33e5c2eaf2Elliott Hughes // The CLDR data had the Portuguese symbol for "EUR" in pt, not in pt_PT. 75a49a1e8c20b3cf9435ed422379f63e33e5c2eaf2Elliott Hughes // We weren't falling back from pt_PT to pt, so we didn't find it and would 76a49a1e8c20b3cf9435ed422379f63e33e5c2eaf2Elliott Hughes // default to U+00A4 CURRENCY SIGN (¤) rather than €. 77a49a1e8c20b3cf9435ed422379f63e33e5c2eaf2Elliott Hughes Locale pt_BR = new Locale("pt", "BR"); 78a49a1e8c20b3cf9435ed422379f63e33e5c2eaf2Elliott Hughes Locale pt_PT = new Locale("pt", "PT"); 79a49a1e8c20b3cf9435ed422379f63e33e5c2eaf2Elliott Hughes assertEquals("R$", Currency.getInstance(pt_BR).getSymbol(pt_BR)); 803a878149e82d9d42353084f4958224ac12c5aa41Elliott Hughes assertEquals("R$", Currency.getInstance(pt_BR).getSymbol(pt_PT)); 81a49a1e8c20b3cf9435ed422379f63e33e5c2eaf2Elliott Hughes assertEquals("€", Currency.getInstance(pt_PT).getSymbol(pt_BR)); 82a49a1e8c20b3cf9435ed422379f63e33e5c2eaf2Elliott Hughes assertEquals("€", Currency.getInstance(pt_PT).getSymbol(pt_PT)); 83a49a1e8c20b3cf9435ed422379f63e33e5c2eaf2Elliott Hughes } 84148de94b69ad9ed98ebb1adf0e8eb1b1e9e33e1fNarayan Kamath 85148de94b69ad9ed98ebb1adf0e8eb1b1e9e33e1fNarayan Kamath public void test_nullLocales() { 86148de94b69ad9ed98ebb1adf0e8eb1b1e9e33e1fNarayan Kamath Currency currency = Currency.getInstance(Locale.getDefault()); 87148de94b69ad9ed98ebb1adf0e8eb1b1e9e33e1fNarayan Kamath try { 88148de94b69ad9ed98ebb1adf0e8eb1b1e9e33e1fNarayan Kamath currency.getSymbol(null); 89148de94b69ad9ed98ebb1adf0e8eb1b1e9e33e1fNarayan Kamath fail(); 90148de94b69ad9ed98ebb1adf0e8eb1b1e9e33e1fNarayan Kamath } catch (NullPointerException expected) {} 91148de94b69ad9ed98ebb1adf0e8eb1b1e9e33e1fNarayan Kamath } 922096edb2cb1c19d0e7ec597e60757dc183382a54Shubham Ajmera 932096edb2cb1c19d0e7ec597e60757dc183382a54Shubham Ajmera public void testSerialization() throws Exception { 942096edb2cb1c19d0e7ec597e60757dc183382a54Shubham Ajmera Currency usd = Currency.getInstance("USD"); 952096edb2cb1c19d0e7ec597e60757dc183382a54Shubham Ajmera String actual = SerializationTester.serializeHex(usd); 962096edb2cb1c19d0e7ec597e60757dc183382a54Shubham Ajmera String expected = "aced0005737200126a6176612e7574696c2e43757272656e6379fdcd934a5911a91f02" + 972096edb2cb1c19d0e7ec597e60757dc183382a54Shubham Ajmera "00014c000c63757272656e6379436f64657400124c6a6176612f6c616e672f537472696e673b7870" + 982096edb2cb1c19d0e7ec597e60757dc183382a54Shubham Ajmera "740003555344"; 992096edb2cb1c19d0e7ec597e60757dc183382a54Shubham Ajmera assertEquals(expected, actual); 1002096edb2cb1c19d0e7ec597e60757dc183382a54Shubham Ajmera 1012096edb2cb1c19d0e7ec597e60757dc183382a54Shubham Ajmera Currency deserializedUsd = (Currency) SerializationTester.deserializeHex(expected); 1022096edb2cb1c19d0e7ec597e60757dc183382a54Shubham Ajmera assertSame("Currency objects should be singletons", usd, deserializedUsd); 1032096edb2cb1c19d0e7ec597e60757dc183382a54Shubham Ajmera } 1042096edb2cb1c19d0e7ec597e60757dc183382a54Shubham Ajmera 1052096edb2cb1c19d0e7ec597e60757dc183382a54Shubham Ajmera public void test_getNumericCode() throws Exception { 1062096edb2cb1c19d0e7ec597e60757dc183382a54Shubham Ajmera assertEquals(840, Currency.getInstance("USD").getNumericCode()); 1072096edb2cb1c19d0e7ec597e60757dc183382a54Shubham Ajmera assertEquals(826, Currency.getInstance("GBP").getNumericCode()); 1082096edb2cb1c19d0e7ec597e60757dc183382a54Shubham Ajmera assertEquals(999, Currency.getInstance("XXX").getNumericCode()); 1092096edb2cb1c19d0e7ec597e60757dc183382a54Shubham Ajmera assertEquals(0, Currency.getInstance("XFU").getNumericCode()); 1102096edb2cb1c19d0e7ec597e60757dc183382a54Shubham Ajmera } 1112b1f1d31b83dbabc432a928bd30d443e01b16b46Elliott Hughes} 112